vintrons (TM) Bundle - 2750mAh Battery For HTC Rezound, ThunderBolt 2 Extended with Black back cover, + vintrons Coaster Volts: 3.7V / Capacity: 2750mAh / 10.18Wh Type: Li-ion Size : 57.20 x 44.80 x 10.20mm Package Include: Replacement Battery and vintrons Coaster vintrons and the vintrons logo are trademarks of Vintrons Company Ltd.